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Debian 11 Bullseye Linux Critical Privilege Escalation DoS DLA-4498-1

debian lts
Calendar Grey March 13, 2026
Dist Debian Esm H88
Update to Debian's LTS kernel addresses critical issues including privilege escalation and denial of service risks.
Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks
Topics%20covered

Topics Covered

security advisory denial of service information leak critical debian privilege escalation

Summary

The Qualys Threat Research Unit (TRU) discovered several vulnerabilities
in Apparmor. Details can be found in the Qualys advisory at
https://www.qualys.com/2026/03/10/crack-armor.txt

For Debian 11 bullseye, these problems have been fixed in version
5.10.251-1. This version also fixes a regression in the previous
update. It additionally includes many more bug fixes from stable
updates 5.10.250 and 5.10.251.

We recommend that you upgrade your linux packages.

For the detailed security status of linux please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/linux

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS



Severity
critical
Lowest
Low
Medium
High
Critical

Package: linux
Version: 5.10.251-1
CVE ID: CVE-2022-50516 CVE-2025-38201 CVE-2025-71222 CVE-2025-71224
Debian Bug: 1127597

Topics%20covered

Topics Covered

security advisory denial of service information leak critical debian privilege escalation

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